NASA astronauts Jeff Williams and Kate Rubins will take a spacewalk Thursday outside of the International Space Station (ISS).
The walk is scheduled to begin at 8:10 a.m. EDT and last for 6.5 hours.
The duo embarked on a spacewalk August 19, installing the first International Docking Adapter (IDA), a new docking port that will enable the future arrival of U.S. commercial crew spacecraft.
Incredible photos of the International Space Station
International Space Station
International Space Station
IN SPACE - OCTOBER 7: (EDITORIAL USE ONLY) In this handout photo provided by the European Space Agency (ESA), German ESA astronaut Alexander Gerst takes a photo during his spacewalk, whilst aboard the International Space Station (ISS) on October 7, 2014 in Space. Gerst returned to earth on November 10, 2014 after spending six months on the International Space Station completing an extensive scientific programme, known as the 'Blue Dot' mission (after astronomer Carl Sagan's description of Earth, as seen on a photograph taken by the Voyager probe from six billion kilometres away). (Photo by Alexander Gerst / ESA via Getty Images)
ZHEZKAZGAN, KAZAKHSTAN - MARCH 12: (Alternate crop of #465931716) In this handout provided by the U.S. National Aeronautics and Space Administration (NASA), the Soyuz TMA-14M spacecraft is seen as it lands with Expedition 42 commander Barry Wilmore of NASA, Alexander Samokutyaev of the Russian Federal Space Agency (Roscosmos) and Elena Serova of Roscosmos March 12, 2015 near the town of Zhezkazgan, Kazakhstan. NASA astronaut Wilmore and Russian cosmonauts Samokutyaev and Serova are returning after nearly six months onboard the International Space Station where they served as members of the Expedition 41 and 42 crews. (Photo by Bill Ingalls/NASA via Getty Images)
STAR CITY, RUSSIA - MARCH 5: In this handout from the In this handout from National Aeronautics and Space Administration or NASA, (L to R) NASA Astronaut Scott Kelly is seen inside a Soyuz simulator at the Gagarin Cosmonaut Training Center (GCTC) March 5, 2015 in Star City, Russia. The three are preparing for launch to the International Space Station (ISS) in the Soyuz TMA-16M spacecraft from the Baikonur Cosmodrome in Kazakhstan on March 28, 2015. As the one-year crew, Kelly and Kornienko will return to Earth on Soyuz TMA-18M in March 2016. (Photo by /Bill Ingalls/NASA via Getty Images)
WALLOPS ISLAND, VA - OCTOBER 28: In this handout provided by National Aeronautics and Space Administration (NASA), The Orbital Sciences Corporation Antares rocket, with the Cygnus spacecraft onboard suffers a catastrophic anomaly moments after launch from the Mid-Atlantic Regional Spaceport Pad 0A at NASA Wallops Flight Facility on October 28, 2014 on Wallops Island, Virginia. William Gerstenmaier, associate administrator of NASA's Human Exploration and Operations Mission Directorate and Michael Suffredini, NASA's International Space Station Program Manager also participated in the press conference via phone. Cygnus was on its way to rendezvous with the space station. The Antares rocket lifted off to start its third resupply mission to the International Space Station, but suffered a catastrophic anomaly shortly after lift off at 6:22 p.m. EDT. (Photo by Joel Kowsky/NASA via Getty Images)
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According to NASA:
Williams and Rubins will retract a thermal radiator that is part of the station's cooling system. The radiator is a backup that had been deployed previously as part of an effort to fix an ammonia coolant leak. They'll also tighten struts on a solar array joint, and install the first of several enhanced high-definition television cameras that will be used to monitor activities outside the station, including the comings and goings of visiting cargo and crew vehicles.
Related: Astronaut Scott Kelly and cosmonaut Mikhail Kornienko show of their coolest space moves